Job Title: Senior Boomi Developer Client: Public Sector Location: Hybrid London or Birmingham, 2 days per week onsite Engagement Type: Contract (Outside IR35) Day Rate: Up to £600 per day Clearance: Active SC Clearance required

About the role

A public sector client is seeking an experienced Senior Boomi Developer to join a high-profile integration programme on an initial contract basis. This is a hands-on, end-to-end role covering the design, build, deployment, and ongoing support of integration processes that underpin business-critical services. This is a hybrid role combining onsite collaboration with remote working you'll be based at either the London or Birmingham site for 2 days per week, with the specific site confirmed during the process.

Key responsibilities

• Lead hands-on design, development, deployment, and maintenance of integration processes using the Boomi AtomSphere platform, including Cloud Integration, Application Integration, and API Management.
• Architect technology solutions by modelling requirements and applying recognised best-practice methodologies.
• Interpret and refine requirements through stakeholder engagement probing for detail, facilitating consensus, and translating ideas into actionable, well-documented solutions.
• Manage stakeholder expectations around milestones, dependencies, and delivery timelines.
• Contribute to technical standards, reusable assets, and continuous improvement across the integration estate.

Essential experience

• 4 6+ years' hands-on Boomi integration experience, including one or more of Salesforce, NetSuite, or Oracle EBS.
• Strong working knowledge of SOAP, REST, XML, JSON, and JavaScript / Groovy scripting.
• Proven ability to deliver in a fast-paced, evolving environment.
• A creative, pragmatic problem-solver with strong verbal and written communication skills.

Security clearance

Candidates must hold an active SC Clearance to be considered.